字典網>> 英漢字典>> W開頭詞條>>welding bead的意思 漢英字典welding bead中文翻譯:【化】 焊縫字典網字典網相關詞條:welding rod core welding transformer welding by one side welding torch pipe welding outfit welding of tubes welding alloy welding agent welding base metal welding parts